Improve park listing performance with optimized queries and caching

Implement performance enhancements for park listing by optimizing database queries, introducing efficient caching mechanisms, and refining pagination for a significantly faster and smoother user experience. Replit-Commit-Author: Agent Replit-Commit-Session-Id: c446bc9e-66df-438c-a86c-f53e6da13649 Replit-Commit-Checkpoint-Type: intermediate_checkpoint
2025-12-23 03:31:09 -05:00 · 2025-09-23 22:50:09 +00:00
parent 6391b3d81c
commit fff180c476
11 changed files with 2864 additions and 70 deletions
--- a/apps/parks/migrations/0002_add_performance_indexes.py
+++ b/apps/parks/migrations/0002_add_performance_indexes.py
@@ -0,0 +1,54 @@
+# Generated by Django 5.2.6 on 2025-09-23 22:29
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('parks', '0001_initial'),
+    ]
+
+    operations = [
+        # Performance indexes for frequently filtered fields
+        migrations.RunSQL(
+            "CREATE INDEX IF NOT EXISTS idx_parks_status_operator ON parks_park(status, operator_id);",
+            reverse_sql="DROP INDEX IF EXISTS idx_parks_status_operator;"
+        ),
+        migrations.RunSQL(
+            "CREATE INDEX IF NOT EXISTS idx_parks_park_type_status ON parks_park(park_type, status);",
+            reverse_sql="DROP INDEX IF EXISTS idx_parks_park_type_status;"
+        ),
+        migrations.RunSQL(
+            "CREATE INDEX IF NOT EXISTS idx_parks_opening_year_status ON parks_park(opening_year, status) WHERE opening_year IS NOT NULL;",
+            reverse_sql="DROP INDEX IF EXISTS idx_parks_opening_year_status;"
+        ),
+        migrations.RunSQL(
+            "CREATE INDEX IF NOT EXISTS idx_parks_ride_count_coaster_count ON parks_park(ride_count, coaster_count) WHERE ride_count IS NOT NULL;",
+            reverse_sql="DROP INDEX IF EXISTS idx_parks_ride_count_coaster_count;"
+        ),
+        migrations.RunSQL(
+            "CREATE INDEX IF NOT EXISTS idx_parks_average_rating_status ON parks_park(average_rating, status) WHERE average_rating IS NOT NULL;",
+            reverse_sql="DROP INDEX IF EXISTS idx_parks_average_rating_status;"
+        ),
+        # Search optimization index
+        migrations.RunSQL(
+            "CREATE INDEX IF NOT EXISTS idx_parks_search_text_gin ON parks_park USING gin(search_text gin_trgm_ops);",
+            reverse_sql="DROP INDEX IF EXISTS idx_parks_search_text_gin;"
+        ),
+        # Location-based indexes for ParkLocation
+        migrations.RunSQL(
+            "CREATE INDEX IF NOT EXISTS idx_parklocation_country_city ON parks_parklocation(country, city);",
+            reverse_sql="DROP INDEX IF EXISTS idx_parklocation_country_city;"
+        ),
+        # Company name index for operator filtering
+        migrations.RunSQL(
+            "CREATE INDEX IF NOT EXISTS idx_company_name_roles ON parks_company USING gin(name gin_trgm_ops, roles);",
+            reverse_sql="DROP INDEX IF EXISTS idx_company_name_roles;"
+        ),
+        # Timestamps for ordering and filtering
+        migrations.RunSQL(
+            "CREATE INDEX IF NOT EXISTS idx_parks_created_at_status ON parks_park(created_at, status);",
+            reverse_sql="DROP INDEX IF EXISTS idx_parks_created_at_status;"
+        ),
+    ]